Clementine-audio-player-Mac.../src/engines/devicefinder.h

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/* This file is part of Clementine.
Copyright 2014, David Sansome <me@davidsansome.com>
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Clementine is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
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Clementine is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
along with Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DEVICEFINDER_H
#define DEVICEFINDER_H
#include <QStringList>
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#include <QVariant>
// Finds audio output devices that can be used with a given gstreamer sink.
class DeviceFinder {
public:
struct Device {
// The value to set as the "device" gstreamer property.
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QVariant device_property_value;
// A human readable description of the device.
QString description;
// An icon to use in the UI.
QString icon_name;
};
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virtual ~DeviceFinder() {}
// The name of the gstreamer sink element that devices found by this class
// can be used with.
QString gstreamer_sink() const { return gstreamer_sink_; }
// Does any necessary setup, returning false if this DeviceFinder cannot
// be used.
virtual bool Initialise() = 0;
// Returns a list of available devices.
virtual QList<Device> ListDevices() = 0;
protected:
explicit DeviceFinder(const QString& gstreamer_sink);
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static QString GuessIconName(const QString& description);
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private:
QString gstreamer_sink_;
};
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#endif // DEVICEFINDER_H